sleep starved

Just lately have been having trouble getting to sleep,and when I did  kept on waking up mainly to go to the loo.....diabetes coupled with this diet Im on probably to blame.But I think it has to do with recent family rows that still fester on......This year I decided enough was enough,and got an answerphone,as family were for ever causing me upset via phonecalls,that were not helpful.My brother was forever cruelly pulling me and my sister apart,insulting us,adding to my stress which coupled with diabetes isn't helping my condition improve.He never misses an opportunity to put the knife in,this coming from someone Id helped raise when my mum died,I was 18 he was just 4.....all I ever did was love him......my sister helped too but she was only 15 besides having anothe sister 0f 10....We did infact have an older sister who was newly married,so her interest lie elsewhere,naturally.My dad was in pieces and couldn't cope,and I felt he needed me to help keep things together,shopping,cooking,cleaning didn't do themselves....of course my dad did what he could too,but had to work,as indeed I did,fulltime...My 10year old sister watched out for my brother when he started school, even though we all shed a tear on his first day,as my mum had just got his school uniform together before she died suddenly at 48 from a massive stroke.My dad passed away when my brother was 19.....Prior to this I had had a row with my dad a few days prior to my dads death,also when I got the news of my dads sudden death,I was at work,I was in total shock while my boss drove me home....My brother claims that I laughed when my dad died,and has forever held that against me....it all sounds so trivial  writing it down....But this is the gist of arguement that has spanned 25 years....All I ever wanted was for my brother love me as he does my other 2 married sisters,but he is vile towards me and my sister who was 15 at the time of my mums death.But sadly I fear it will never happen.....and will die waitingWhat I cannot understand is he continues to phone on rare occasions only to brag about his exotic lifestyle,or be totally abusive to my sister and I....My sister is i remission from cancer,and I have diabetes,and nearly died last year.We are both exhausted from health problems,and are not getting any younger....Just want peace now.........and to sleep.......